CN110690949B - Information configuration method and equipment - Google Patents
Information configuration method and equipment Download PDFInfo
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- CN110690949B CN110690949B CN201810731378.7A CN201810731378A CN110690949B CN 110690949 B CN110690949 B CN 110690949B CN 201810731378 A CN201810731378 A CN 201810731378A CN 110690949 B CN110690949 B CN 110690949B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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Abstract
The invention provides an information configuration method and equipment, which are used for solving the problem of air interface delay increase caused by the fixation of a hybrid automatic repeat request (HARQ) mode. The network side equipment of the embodiment of the invention determines the configuration information for changing the HARQ mode and sends the configuration information for changing the HARQ mode to the terminal. After receiving the configuration information for changing the HARQ mode sent by the network side equipment, the terminal changes the HARQ mode used for data transmission with the network side equipment according to the configuration information, thereby realizing flexible configuration of the HARQ modes of the network side and the terminal side, further improving the transmission rate of data, reducing the transmission delay of an air interface, and being beneficial to meeting the requirement of 5G in the future on the flexible air interface.
Description
Technical Field
The present invention relates to the wireless field, and in particular, to a method and an apparatus for configuring information.
Background
Currently, MTC (Machine-Type Communication) refers to device-to-device Communication. Each MTC device communicates with the MTC server through an operator network, each MTC device can send uplink data to the MTC server and can also receive downlink data sent by the MTC server, and data are transmitted between the MTC devices and the MTC server through the base station.
In the prior art, HARQ (hybrid Automatic Repeat Request) technology is used between the MTC devices and the base station to transmit data. HARQ is a technology formed by combining FEC (Forward Error Correction) and ARQ (Automatic Repeat-reQuest). The method can efficiently compensate the error code caused by adopting the link adaptation, improve the transmission rate of the data and reduce the transmission delay of the data.
HARQ is classified into synchronous and asynchronous according to retransmission occurrence time: synchronous HARQ refers to that the transmission (retransmission) of HARQ occurs at a fixed time, and because the receiving end knows the time of the transmission in advance, no extra signaling overhead is needed to represent the sequence number of the HARQ process, and the HARQ process number at the moment can be obtained from a subframe number; asynchronous HARQ means that retransmission of HARQ can occur at any time, and since the receiving end does not know the occurrence time of transmission, the process processing sequence number of HARQ needs to be transmitted together with data.
In 5G, HARQ protocol is a function of a MAC (Media Access Control) sublayer, and a HARQ usage scheme of MAC is generally fixed: the uplink uses synchronous harq (asynchronous harq), and the downlink uses asynchronous harq (asynchronous harq). In some scenarios, the uplink uses an asynchronous HARQ method better than the synchronous HARQ, and the downlink uses a synchronous HARQ method better than the asynchronous HARQ, but since the HARQ mode is fixed, the air interface delay may be increased.
In summary, the air interface delay is easily increased by the fixed configuration mode of the HARQ mode at present.
Disclosure of Invention
The invention provides an information configuration method and equipment, which are used for solving the problem of air interface time delay increase caused by the fixation of an HARQ mode.
In a first aspect, a method for configuring information provided in an embodiment of the present invention includes:
the network side equipment is used for determining the configuration information of the HARQ mode and sending the configuration information containing the HARQ mode used for changing to the terminal.
According to the method, the network side equipment can configure the HARQ mode used for data transmission with the terminal according to scene requirements, and send the configuration information to the terminal. Therefore, the flexible configuration of the HARQ modes of the network side and the terminal side is realized, the transmission rate of data is improved, and the transmission delay of the air interface is further reduced.
In an optional embodiment, the HARQ mode includes some or all of the following: synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
According to the method, the HARQ basic modes comprise a synchronous HARQ mode and an asynchronous HARQ mode, even more flexible synchronous and asynchronous HARQ entity hybrid modes and HARQ process hybrid modes, and the diversity of the HARQ modes realizes the diversity of applicable scenes.
In an optional implementation manner, when the network side device sends the configuration information for changing the HARQ mode to the terminal, the configuration information for changing the HARQ mode may be sent to the terminal through a Radio Resource Control (RRC) signaling.
In the above method, the RRC allocates radio resources and sends related signaling, which is responsible for broadcasting network system information to a UE (User Equipment). The RRC message carries all parameters required by establishment, modification and physical layer protocol entity, and the RRC signaling is used as a carrier of the configuration information for changing the HARQ mode, so that the network side equipment and the terminal can change the HARQ mode more quickly and conveniently, and the method has universality.
In an optional implementation manner, when the HARQ mode needs to be changed, the network side device places the configuration information for changing the HARQ mode in the MAC-CellGroupConfig of the RRC signaling, and sends the configuration information to the terminal.
In the method, when the network side equipment changes the HARQ mode, the corresponding control field of the HARQ mode is added in the MAC-CellGroupConfig and is sent to the terminal, and the terminal reads the control word in the MAC-CellGroupConfig of the RRC signaling and changes the HARQ mode used for data transmission with the terminal. When the HARQ mode is increased or decreased, the control word in the MAC-CellGroupConfig is changed correspondingly. The method for changing the HARQ mode by the network side equipment and the terminal is more flexible and reliable.
In an optional implementation manner, after the configuration information is sent, if the network side device has an HARQ process that is performing data transmission with the terminal, the network side device changes, after the HARQ process is finished, an HARQ mode used for performing data transmission with the terminal according to the configuration information; and if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
In the method, when the network side equipment and the terminal change the configuration of the HARQ mode in the data transmission process, if the data which is transmitted exists, the HARQ mode is changed after the HARQ process is finished; and if not, the HARQ mode used for data transmission with the terminal is changed according to the configuration information, so that the transmission synchronization of the HARQ mode and the air interface time is ensured.
In a second aspect, an information configuring method provided in an embodiment of the present invention includes:
and after receiving the configuration information for changing the HARQ mode sent by the network side equipment, the terminal changes the HARQ mode used for data transmission with the network side equipment according to the configuration information.
According to the method, after the terminal receives the configuration information for changing the HARQ mode sent by the network side equipment, the HARQ mode used for data transmission with the network side equipment is changed according to the configuration information, so that flexible configuration of the terminal side HARQ mode is realized, and transmission delay of an air interface is further reduced.
In an optional implementation manner, the terminal receives RRC signaling sent by the network side device and containing the configuration information for changing the HARQ mode, and reads the configuration information for changing the HARQ mode from a MAC-CellGroupConfig of the RRC signaling.
In the method, the RRC allocates the radio resources and sends the related signaling to be responsible for the broadcast of the network system information to the UE. The RRC message carries all parameters required by establishment, modification and physical layer protocol entity, and the RRC signaling is used as a carrier of the configuration information for changing the HARQ mode, so that the network side equipment and the terminal can change the HARQ mode more quickly and conveniently, and the method has universality.
And the terminal reads the control word in the MAC-CellGroupConfig of the RRC signaling and changes the HARQ mode used for data transmission with the network side equipment, so that the method for changing the HARQ mode by the network side equipment and the terminal is more flexible and reliable.
In an optional implementation manner, the HARQ mode received by the terminal for changing the data transmission with the network side device includes: synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
According to the method, the HARQ basic modes comprise a synchronous HARQ mode and an asynchronous HARQ mode, even more flexible synchronous and asynchronous HARQ entity hybrid modes and HARQ process hybrid modes, and the diversity of the HARQ modes realizes the diversity of applicable scenes.
In an optional implementation manner, before changing the HARQ mode, if the terminal has an HARQ process performing data transmission with the network side, after the HARQ process is finished, the terminal changes, according to the received configuration information, the HARQ mode used for data transmission with the network side device; and if the terminal does not have the HARQ process for data transmission with the network side, changing the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
In the method, when the terminal changes the HARQ mode used for data transmission with the network side equipment according to the configuration information, if the terminal has the data being transmitted, the terminal waits for the end of the HARQ process and then changes the HARQ mode; and if not, the HARQ mode used for data transmission with the terminal is changed according to the configuration information, so that the transmission synchronization of the HARQ mode and the air interface time is ensured.
In a third aspect, an embodiment of the present invention provides a network side device for information configuration, where the network side device includes: a processor and a transceiver:
the processor is configured to determine configuration information for changing the HARQ mode; and sending the configuration information for changing the HARQ mode to a terminal through a transceiver.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processor is specifically configured to:
and transmitting the configuration information for changing the HARQ mode to the terminal by using the transceiver through RRC signaling.
Optionally, the processor is specifically configured to:
placing the configuration information for changing HARQ mode in the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processor is specifically configured to:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, after the HARQ process is finished, an HARQ mode used for performing data transmission with the terminal is changed according to the configuration information; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
In a fourth aspect, an embodiment of the present invention provides an information configuring terminal, including: a processor and a transceiver:
the processor receives the configuration information for changing the HARQ mode, which is sent by the network side equipment through the transceiver; and the processor changes the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processor is specifically configured to:
and receiving RRC signaling which is sent by the network side equipment and contains the configuration information for changing the HARQ mode by utilizing a transceiver.
Optionally, the processor is specifically configured to:
reading the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processor is specifically configured to:
if the terminal has an HARQ process which is performing data transmission with the network side, the processor changes an HARQ mode used for performing data transmission with the network side equipment according to the received configuration information after the HARQ process is finished; or
And if the terminal does not have the HARQ process for data transmission with the network side, the processor changes the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
In a fifth aspect, an embodiment of the present invention further provides an information configuring device, where the information configuring device includes:
at least one processing unit and at least one memory unit, wherein the memory unit has stored program code which, when executed by the processing unit, causes the processing unit to perform the functions of the embodiments of the first aspect described above.
In a sixth aspect, embodiments of the present invention further provide a computer-readable medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of the above-mentioned method.
In addition, for technical effects brought by any one implementation manner of the third aspect to the sixth aspect, reference may be made to technical effects brought by different implementation manners of the first aspect and the second aspect, and details are not described here.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an information configuration system according to an embodiment of the present invention;
fig. 2 is a schematic device structure diagram of a first network-side device entity according to an embodiment of the present invention;
fig. 3 is a schematic device structure diagram of a second network-side device entity according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an apparatus structure of a first terminal entity according to an embodiment of the present invention;
fig. 5 is a schematic device structure diagram of a second terminal entity according to an embodiment of the present invention;
fig. 6 is a schematic flowchart of a method of a network device in a method for configuring information according to an embodiment of the present invention;
fig. 7 is a schematic flowchart of a method of a terminal in a method of configuring information according to an embodiment of the present invention;
fig. 8 is a flowchart illustrating a complete method for configuring information according to an embodiment of the present invention.
Detailed Description
The HARQ is a function of an MAC layer, and the network side device and the terminal transmit data by using an HARQ process, which exists at both the transmitting end and the receiving end. Each HARQ process processes only one TB (Transport Block) at a time, and the HARQ operation of the sender includes transmitting and retransmitting TBs, receiving and processing ACK (Acknowledgement) or NACK (Negative Acknowledgement); the HARQ operation of the receiving end includes receiving a TB and generating ACK or NACK.
Wherein, a plurality of HARQ processes form one HARQ entity.
HARQ can be divided into uplink HARQ and downlink HARQ according to a transmission link, where the uplink HARQ is a process flow for feeding back and correspondingly retransmitting data sent by UE to eNodeB (Evolved Node B); the downlink HARQ is a process flow for feeding back and correspondingly retransmitting data sent by the eNodeB to the UE.
The HARQ mode of the embodiment of the present invention includes part or all of the following: synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Synchronous HARQ mode: the HARQ entities used by the terminal are all synchronous, that is, all HARQ processes in the HARQ entities are synchronous HARQ processes;
asynchronous HARQ mode: the HARQ entities used by the terminal are all asynchronous, that is, all HARQ processes in the HARQ entities are asynchronous HARQ processes;
synchronous and asynchronous HARQ entity hybrid mode: it means that the HARQ entities used by the terminal are asynchronous or synchronous. All HARQ processes under the synchronous HARQ entity are synchronous; all HARQ processes under the asynchronous HARQ entity are asynchronous. If the terminal has a plurality of HARQ entities, part of the HARQ entities are synchronous HARQ entities, and part of the HARQ entities are asynchronous HARQ entities;
synchronous and asynchronous HARQ process hybrid mode: it means that a process in the HARQ entity used by one terminal is synchronous or asynchronous. For all HARQ processes of the terminal, part of the HARQ processes are synchronous HARQ processes and part of the HARQ processes are asynchronous HARQ processes.
The network side device of the embodiment of the invention can configure part or all of the HARQ modes for the terminal.
It should be noted that the above HARQ modes are only examples, and any HARQ mode is applicable to the embodiments of the present invention.
The embodiments of the present invention will be described in further detail with reference to the drawings attached hereto.
As shown in fig. 1, a method and device for configuring information according to an embodiment of the present invention include: a network side device 10 and a terminal 20.
The network side device 10 is configured to change the configuration information of the HARQ mode, and send the configuration information for changing the HARQ mode to the terminal.
The terminal 20 is configured to receive the configuration information for changing the HARQ mode sent by the network side device, and change the HARQ mode used for data transmission with the network side device according to the received configuration information.
Through the scheme, the embodiment of the invention has the advantage that the network side equipment can change the configuration information of the HARQ mode. After receiving the configuration information for changing the HARQ mode sent by the network side equipment, the terminal changes the HARQ mode used for data transmission with the network side equipment according to the configuration information, thereby realizing flexible configuration of the HARQ modes of the network side and the terminal side, further improving the transmission rate of data, reducing the transmission delay of an air interface, and being beneficial to meeting the requirement of 5G in the future on the flexible air interface.
Optionally, when configuring the HARQ mode for the terminal, the network side device may determine which HARQ mode to allocate for the terminal according to a part or all of the terminal capability, the terminal service type, the system capacity, and the like. The following are introduced separately:
1. allocating HARQ modes to the terminal through the terminal's capabilities:
if the terminal supports the hybrid mode, a hybrid mode of a synchronous and asynchronous HARQ entity or a hybrid mode of a HARQ process can be allocated to the terminal;
if the terminal does not support the hybrid mode, the terminal may be assigned a synchronous HARQ mode or an asynchronous HARQ mode.
2. And allocating an HARQ mode for the terminal according to the service type of the terminal:
the service type here is the service type of the service that the terminal needs to perform.
For example, if the service type is high in delay requirement, the terminal may be allocated with a synchronous HARQ;
if the service type is low in delay requirement, asynchronous HARQ can be allocated to the terminal.
The specific delay requirement is high and low, a threshold value can be set, if the delay requirement exceeds the threshold value, the delay requirement is considered to be low, and if the delay requirement does not exceed the threshold value, the delay requirement is considered to be high.
3. Allocating HARQ modes to the terminal through the system capacity:
if the system capacity is large, synchronous HARQ can be allocated to the terminal;
if the system capacity is small, asynchronous HARQ can be allocated to the terminal;
optionally, the information configuration for changing the HARQ mode may be changed by RRC signaling, or may be changed by a MAC CE or a PDCCH, and the implementation manner of the information configuration may refer to a configuration method of RRC signaling, which is not described herein again.
Taking RRC as an example: the information configuration of the embodiment of the invention can be carried out in the connection establishment process of RRC signaling or the reconnection process of the RRC signaling.
The network side device of the embodiment of the invention can add the corresponding control field of the HARQ mode in the MAC-CellGroupConfig in RRC signaling and send the configuration information for changing the HARQ mode to the terminal. There are various specific control fields for configuring HARQ modes, and the following methods are listed:
definition mode 1: for the four HARQ modes in the above example, the corresponding control field may be defined as: adding 4 bits binary code in MAC-CellGroupConfig, each bit represents a HARQ mode, wherein 0 represents disable, and 1 represents enable.
Suppose that the 4-bit binary code is from low to high: the first bit represents a synchronous HARQ mode, the second bit represents an asynchronous HARQ mode, the third bit represents a synchronous and asynchronous HARQ entity hybrid mode, and the fourth bit represents a synchronous and asynchronous HARQ process hybrid mode.
1. When the number of HARQ entities used by the network side device and the terminal is equal to 1, the following description is introduced for the HARQ mode for changing which corresponds to the 4-bit coding state that may occur:
(1) the 4-bit coding state is "0001": one HARQ entity used by the terminal is synchronous, namely all HARQ processes in the HARQ entity are synchronous HARQ processes;
(2) the 4-bit coding state is '0010': one HARQ entity used by the terminal is asynchronous, that is, all HARQ processes in the HARQ entity are asynchronous HARQ processes;
(3) the 4-bit coding state is "1001": one HARQ entity used by the terminal is synchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
(4) the 4-bit coding state is "1010": one HARQ entity used by the terminal is asynchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
2. when the number of HARQ entities used by the network side device and the terminal is greater than 1, the following description is given to the possible 4-bit coding state:
(1) the 4-bit coding state is "0001": the HARQ entities used by the terminal are synchronous, that is, all HARQ processes in the HARQ entities are synchronous HARQ processes;
(2) the 4-bit coding state is '0010': the HARQ entity used by the terminal is asynchronous, that is, all HARQ processes in the HARQ entity are asynchronous HARQ processes;
(3) the 4-bit encoding state is "0100": the terminal uses HARQ entities at least one of which is a synchronous HARQ entity and at least one of which is an asynchronous HARQ entity. Wherein, HARQ processes in the synchronous HARQ entity are all synchronous HARQ processes, and HARQ processes in the asynchronous HARQ entity are all asynchronous HARQ processes;
(4) the 4-bit coding state is "1001": the HARQ entity used by the terminal is synchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
(5) the 4-bit coding state is "1010": the HARQ entity used by the terminal is asynchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
(6) the 4-bit coding state is "1100": the terminal uses HARQ entities at least one of which is a synchronous HARQ entity and at least one of which is an asynchronous HARQ entity. The HARQ process in the synchronous HARQ entity may be a synchronous HARQ process or an asynchronous HARQ process, and the HARQ process in the asynchronous HARQ entity may be a synchronous HARQ process or an asynchronous HARQ process.
It should be noted that the above HARQ modes are only examples, and any HARQ mode is applicable to the embodiments of the present invention. If the HARQ mode is increased, the number of bits of the MAC-CellGroupConfig control field is correspondingly increased.
Definition mode 2: for the four HARQ modes in the above example, the corresponding control field may be defined as: adding a 3-bit binary code to the MAC-CellGroupConfig, wherein the value of the binary code represents the corresponding HARQ mode, and the value of the 3-bit binary code is 0,1,2,3,4,5,6,7, 8.
It is assumed that the values of the 3-bit binary code represent HARQ modes, respectively, a value "0" represents a synchronous HARQ mode, a value "1" represents an asynchronous HARQ mode, a value "2" represents a synchronous HARQ entity process hybrid mode, a value "3" represents an asynchronous HARQ entity process hybrid mode, a value "4" represents a synchronous and asynchronous HARQ entity hybrid mode, and a value "5" represents a synchronous and asynchronous HARQ entity hybrid and process hybrid mode. Then the 3-bit coding state that may occur is introduced as follows:
(1) 3-bit coding state is "000": one HARQ entity used by the terminal is synchronous, namely all HARQ processes in the HARQ entity are synchronous HARQ processes;
(2) the 3-bit coding state is "001": the HARQ entity used by the terminal is asynchronous, that is, all HARQ processes in the HARQ entity are asynchronous HARQ processes;
(3) the 3-bit coding state is "010": the HARQ entity used by the terminal is synchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
(4) the 3-bit coding state is "011": the HARQ entity used by the terminal is asynchronous, and the HARQ process in the HARQ entity has a synchronous HARQ process and an asynchronous HARQ process;
(5) 3-bit coding state is "100": the terminal uses HARQ entities at least one of which is a synchronous HARQ entity and at least one of which is an asynchronous HARQ entity. Wherein, HARQ processes in the synchronous HARQ entity are all synchronous HARQ processes, and HARQ processes in the asynchronous HARQ entity are all asynchronous HARQ processes;
(6) the 3-bit coding state is "101": the terminal uses HARQ entities at least one of which is a synchronous HARQ entity and at least one of which is an asynchronous HARQ entity. The HARQ process in the synchronous HARQ entity may be a synchronous HARQ process or an asynchronous HARQ process, and the HARQ process in the asynchronous HARQ entity may be a synchronous HARQ process or an asynchronous HARQ process.
In the above manner, HARQ modes under all scenes corresponding to binary values need to be defined in advance, and when there are many HARQ modes, the number of bits of the control field in the MAC-CellGroupConfig can be effectively reduced, and the memory occupied is reduced.
It should be noted that the above HARQ modes are only examples, and any HARQ mode is applicable to the embodiments of the present invention. And if the HARQ mode increase exceeds the upper limit of the binary value in the control field, correspondingly increasing the bit number of the MAC-CellGroupConfig control field.
Among them, the method of adding the corresponding control field of HARQ mode in MAC-CellGroupConfig is exemplified by:
HARQ-Config::＝ CHOICE{
HARQ-mode-DL ENUMERATED{Synchronous HARQ entity,
Asynchronous HARQ entity,Hybrid HARQ entity as synchronous and
asynchronous,Hybrid HARQ processes as synchronous and asynchronous},
HARQ-mode-UL ENUMERATED{Synchronous HARQ entity,
Asynchronous HARQ entity,Hybrid HARQ entity as synchronous and
asynchronous,Hybrid HARQ processes as synchronous and asynchronous},
}
the network side device and the terminal of the embodiment of the invention may occur in the data transmission process when the HARQ mode for data transmission is changed. In order to ensure that the HARQ processes of the air interface all have complete RTT (round-trip time) due to the change of the HARQ mode, it is necessary to ensure that the new mode is implemented to be consistent with the transmission of the HARQ base of the air interface. Several approaches are given below.
Optionally, if the network side device has an HARQ process that is performing data transmission with the terminal, the network side device changes an HARQ mode used for performing data transmission with the terminal according to the configuration information after the HARQ process is finished.
Correspondingly, if the terminal has the HARQ process which is performing data transmission with the network side device, the terminal changes the HARQ mode used for performing data transmission with the network side device according to the configuration information after the HARQ process is finished.
For example:
(1) in this scenario, the specific transmission process of the uplink HARQ is as follows:
and after the network side equipment sends the configuration information for changing the HARQ mode, informing an MAC layer. After the MAC protocol sublayer receives the signaling, for the HARQ process performing air interface transmission, it needs to complete data transceiving on the HARQ process in transmission according to the old mode. The specific expression of the HARQ process termination is as follows:
the network side equipment feeds back ACK through the uplink HARQ process or feeds back NACK when the retransmission times reach a limit value, and the HARQ process is ended;
correspondingly, after the terminal receives the configuration information for changing the HARQ mode, the MAC sublayer is informed. And for the HARQ processes with the transmission times of more than or equal to 1, finishing data transceiving of the HARQ processes in transmission according to the old mode. The specific expression of the HARQ process termination is as follows:
the terminal side receives ACK or NACK fed back by the network side equipment through an uplink HARQ process, and the HARQ process is finished;
(2) in this scenario, the specific transmission process of the downlink HARQ is as follows:
when the network side device sends the configuration information for changing the HARQ mode to the terminal, the terminal notifies the MAC sublayer after receiving the configuration information for changing the HARQ mode. And for the HARQ processes with the transmission times of more than or equal to 1, finishing data transceiving of the HARQ processes in transmission according to the old mode. The specific expression of the HARQ process termination is as follows:
the terminal feeds back ACK through the downlink HARQ process or feeds back NACK when the retransmission times reach a limit value, and the HARQ process is ended;
correspondingly, when the network side device notifies the MAC sublayer. After the MAC protocol sublayer receives the signaling, for the HARQ process performing air interface transmission, it needs to complete data transceiving on the HARQ process in transmission according to the old mode. The specific expression of the HARQ process termination is as follows:
the network side equipment receives ACK or NACK fed back by the terminal through a downlink HARQ process, and the HARQ process is ended;
after the HARQ process is finished, the network side device and the terminal may change an HARQ mode used for data transmission with the terminal according to the configuration information.
Optionally, if the network side device does not have an HARQ process performing data transmission with the terminal, the HARQ mode used for performing data transmission with the terminal is changed according to the configuration information.
Correspondingly, if the terminal does not have the HARQ process for data transmission with the network side equipment, the HARQ mode used for data transmission with the network side equipment is changed according to the configuration information.
For example:
(1) in this scenario, the specific transmission process of the uplink HARQ is as follows:
and the terminal transmits the data which is transmitted through the HARQ process for the first time according to the HARQ mode for changing, namely the new mode.
And the network side equipment feeds back and processes the data received through the HARQ process for the first time according to the HARQ mode for changing, namely the new mode.
(2) In this scenario, the specific transmission process of the downlink HARQ is as follows:
and the network side equipment transmits the data which is transmitted through the HARQ process for the first time according to the HARQ mode for changing, namely the new mode.
And the terminal feeds back and processes the data received through the HARQ process for the first time according to the HARQ mode for changing, namely the new mode.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2, an embodiment of the present invention provides a network side device for information configuration, including: processor 200 and transceiver 201:
the processor 200 is configured to determine configuration information for changing the HARQ mode; the configuration information for changing the HARQ mode is transmitted to the terminal through the transceiver 201.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processor 200 is specifically configured to:
the configuration information for changing the HARQ mode is transmitted to the terminal through RRC signaling using the transceiver 201.
Optionally, the processor 200 is specifically configured to:
placing the configuration information for changing HARQ mode in the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processor 200 is specifically configured to:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, after the HARQ process is finished, an HARQ mode used for performing data transmission with the terminal is changed according to the configuration information; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
As shown in fig. 3, the present invention provides a network side device for information configuration, which includes:
at least one processing unit 300 and at least one memory unit 301, wherein the memory unit 301 stores program code that, when executed by the processing unit 300, causes the processing unit 300 to perform the following:
determining configuration information for changing the HARQ mode; and sending the configuration information for changing the HARQ mode to the terminal.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processing unit 300 is specifically configured to:
and sending the configuration information for changing the HARQ mode to the terminal through RRC signaling.
Optionally, the processing unit 300 is specifically configured to:
placing the configuration information for changing HARQ mode in the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processing unit 300 is specifically configured to:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, after the HARQ process is finished, an HARQ mode used for performing data transmission with the terminal is changed according to the configuration information; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
As shown in fig. 4, an embodiment of the present invention provides an information configuring terminal, including: processor 400 and transceiver 401:
the processor 400 is configured to receive, through the transceiver 401, the configuration information for changing the HARQ mode, which is sent by the network side device; the processor 400 changes the HARQ mode used for data transmission with the network side device according to the received configuration information.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processor 400 is specifically configured to:
and receiving, by using the transceiver 401, RRC signaling sent by the network side device and containing the configuration information for changing the HARQ mode.
Optionally, the processor 400 is specifically configured to:
reading the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processor 400 is specifically configured to:
if the terminal has an HARQ process performing data transmission with the network side, the processor 400 changes an HARQ mode used for data transmission with the network side device according to the received configuration information after the HARQ process is finished; or
If the terminal does not have the HARQ process for performing data transmission with the network side, the processor 400 changes the HARQ mode used for performing data transmission with the network side device according to the received configuration information.
As shown in fig. 5, the present invention provides a network side device for information configuration, where the device includes:
at least one processing unit 500 and at least one memory unit 501, wherein the memory unit 501 stores program code that, when executed by the processing unit 500, causes the processing unit 500 to perform the following:
after receiving the configuration information for changing the HARQ mode sent by the network side equipment, changing the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the processing unit 500 is specifically configured to:
and receiving the RRC signaling which is sent by the network side equipment and contains the configuration information for changing the HARQ mode.
Optionally, the processing unit 500 is specifically configured to:
reading the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
Optionally, the processing unit 500 is specifically configured to:
if the terminal has an HARQ process which is performing data transmission with the network side, the processor changes an HARQ mode used for performing data transmission with the network side equipment according to the received configuration information after the HARQ process is finished; or
And if the terminal does not have the HARQ process for data transmission with the network side, the processor changes the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
In some possible embodiments, the various aspects of configuring information provided by the embodiments of the present invention may also be implemented in the form of a program product including program code for causing a computer device to perform the steps in the method for configuring information according to various exemplary embodiments of the present invention described in this specification when the program code runs on the computer device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
A program product for IMS service registration according to an embodiment of the present invention may employ a portable compact disc read only memory (CD-ROM) and include program code, and may be run on a server device. However, the program product of the present invention is not limited thereto, and in this document, the readable storage medium may be any tangible medium containing or storing the program, which can be used by or in connection with an information transmission, apparatus, or device.
A readable signal medium may include a propagated data signal with readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A readable signal medium may also be any readable medium other than a readable storage medium that can transmit, propagate, or transport the program for use by or in connection with the periodic network action system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device.
The embodiment of the invention also provides a storage medium readable by the computing equipment aiming at the method for configuring the information, namely, the content is not lost after the power is cut off. The storage medium stores therein a software program, which includes program code, and when the program code runs on a computing device, the software program is read and executed by one or more processors to implement any one of the above schemes of configuring information by a network side device according to the embodiments of the present invention.
The embodiment of the invention also provides a storage medium readable by the computing equipment aiming at the information configuration method, namely, the content is not lost after power failure. The storage medium stores therein a software program, which includes program code, and when the program code runs on a computing device, the software program is read by one or more processors and executed, so as to implement the scheme of information configuration of any of the above terminals according to the embodiments of the present invention.
Based on the same inventive concept, the embodiment of the present invention further provides an information configuration method, and since the device corresponding to the method is a method corresponding to a device in the system for performing information configuration in the embodiment of the present invention, and the principle of the method for solving the problem is similar to that of the device, the implementation of the method can refer to the implementation of the system for performing information configuration, and repeated details are omitted.
As shown in fig. 6, an embodiment of the present invention provides an information configuring method, where the method includes:
in step 600, a network side device determines configuration information for changing a hybrid automatic repeat request HARQ mode.
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the sending, by the network side device, the configuration information for changing the HARQ mode to the terminal includes:
and the network side equipment sends the configuration information for changing the HARQ mode to a terminal through Radio Resource Control (RRC) signaling.
Optionally, before the network side device sends the configuration information for changing the HARQ mode to the terminal through RRC signaling, the method further includes:
and the network side equipment places the configuration information for changing the HARQ mode in the MAC-CellGroupConfig of the RRC signaling.
Optionally, after the network side device sends the configuration information for changing the HARQ mode to the terminal, the method further includes:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, the network side equipment changes an HARQ mode used for performing data transmission with the terminal according to the configuration information after the HARQ process is finished; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
Based on the same inventive concept, the embodiment of the present invention further provides an information configuration method, and since the device corresponding to the method is a method corresponding to a device in the system for performing information configuration in the embodiment of the present invention, and the principle of the method for solving the problem is similar to that of the device, the implementation of the method can refer to the implementation of the system for performing information configuration, and repeated details are omitted.
As shown in fig. 7, an embodiment of the present invention provides an information configuring method, where the method includes:
Optionally, the HARQ mode includes part or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
Optionally, the receiving, by the terminal, the configuration information for changing the HARQ mode sent by the network side includes:
and the terminal receives the RRC signaling which is sent by the network side equipment and contains the configuration information for changing the HARQ mode.
Optionally, before the terminal changes, according to the received configuration information, an HARQ mode used for data transmission with the network side device, the method further includes:
and the terminal reads the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
Optionally, before the terminal changes, according to the received configuration information, an HARQ mode used for data transmission with the network side device, the method further includes:
if the terminal has an HARQ process which is performing data transmission with the network side, the terminal changes an HARQ mode used for data transmission with the network side equipment according to the received configuration information after the HARQ process is finished; or
And if the terminal does not have the HARQ process for data transmission with the network side, changing the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
Based on the same inventive concept, the embodiment of the present invention further provides an information configuration method, and since the device corresponding to the method is a method corresponding to a device in the system for performing information configuration in the embodiment of the present invention, and the principle of the method for solving the problem is similar to that of the device, the implementation of the method can refer to the implementation of the system for performing information configuration, and repeated details are omitted.
As shown in fig. 8, the complete method for configuring information according to the embodiment of the present invention includes:
It should be noted that, for the content that specifically determines whether the new mode can be consistent with the transmission of the air interface when implemented, reference may be made to the content described above, and details are not described here again.
The network side device and the terminal respectively determine whether the mode changes are consistent, so the mode changes performed by the network side device and the terminal are only placed in step 804 for convenience of description, and the network side device and the terminal do not need to perform the mode changes in step 804.
The present application is described above with reference to block diagrams and/or flowchart illustrations of methods, apparatus (systems) and/or computer program products according to embodiments of the application. It will be understood that one block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, and/or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer and/or other programmable data processing apparatus, create means for implementing the functions/acts specified in the block diagrams and/or flowchart block or blocks.
Accordingly, the subject application may also be embodied in hardware and/or in software (including firmware, resident software, micro-code, etc.). Furthermore, the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code embodied in the medium for use by or in connection with an instruction execution system. In the context of this application, a computer-usable or computer-readable medium may be any medium that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (18)
1. A method for configuring information, the method comprising:
the method comprises the steps that network side equipment determines configuration information for changing a hybrid automatic repeat request (HARQ) mode;
the network side equipment sends the configuration information for changing the HARQ mode to a terminal;
the HARQ mode includes some or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
2. The method of claim 1, wherein the network side device sends the configuration information for changing the HARQ mode to a terminal, and the method comprises:
and the network side equipment sends the configuration information for changing the HARQ mode to a terminal through Radio Resource Control (RRC) signaling.
3. The method of claim 2, wherein before the network side device sends the configuration information for changing the HARQ mode to the terminal through RRC signaling, the method further comprises:
and the network side equipment places the configuration information for changing the HARQ mode in the medium access control cell group configuration MAC-CellGroupConfig of the RRC signaling.
4. The method according to any one of claims 1 to 3, wherein after the network side device sends the configuration information for changing the HARQ mode to the terminal, the method further comprises:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, the network side equipment changes an HARQ mode used for performing data transmission with the terminal according to the configuration information after the HARQ process is finished; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
5. A method for configuring information, the method comprising:
the terminal receives the configuration information for changing the HARQ mode sent by the network side equipment;
the terminal changes an HARQ mode used for data transmission with the network side equipment according to the received configuration information;
the HARQ mode includes some or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
6. The method of claim 5, wherein the terminal receives the configuration information for changing the HARQ mode from the network side, and comprises:
and the terminal receives the RRC signaling which is sent by the network side equipment and contains the configuration information for changing the HARQ mode.
7. The method of claim 6, wherein before the terminal changes the HARQ mode used for data transmission with the network side device according to the received configuration information, the method further comprises:
and the terminal reads the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
8. The method according to any one of claims 5 to 7, wherein before the terminal changes the HARQ mode used for data transmission with the network side device according to the received configuration information, the method further includes:
if the terminal has an HARQ process which is performing data transmission with the network side, the terminal changes an HARQ mode used for data transmission with the network side equipment according to the received configuration information after the HARQ process is finished; or
And if the terminal does not have the HARQ process for data transmission with the network side, changing the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
9. A network side device for information configuration, comprising: a processor and a transceiver:
the processor is configured to determine configuration information for changing the HARQ mode; transmitting the configuration information for changing the HARQ mode to a terminal through a transceiver;
the HARQ mode includes some or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
10. The network-side device of claim 9, wherein the processor is specifically configured to:
and transmitting the configuration information for changing the HARQ mode to the terminal by using the transceiver through RRC signaling.
11. The network-side device of claim 10, wherein the processor is specifically configured to:
placing the configuration information for changing HARQ mode in the MAC-CellGroupConfig of the RRC signaling.
12. The network-side device of any one of claims 9 to 11, wherein the processor is specifically configured to:
if the network side equipment has an HARQ process which is performing data transmission with the terminal, after the HARQ process is finished, an HARQ mode used for performing data transmission with the terminal is changed according to the configuration information; or
And if the network side equipment does not have the HARQ process for carrying out data transmission with the terminal, changing the HARQ mode used for carrying out data transmission with the terminal according to the configuration information.
13. A terminal for information configuration, the terminal comprising: a processor and a transceiver:
receiving the configuration information for changing the HARQ mode sent by the network side equipment through a transceiver; the processor changes an HARQ mode used for data transmission with the network side equipment according to the received configuration information;
the HARQ mode includes some or all of the following:
synchronous HARQ mode, asynchronous HARQ mode, synchronous and asynchronous HARQ entity hybrid mode, synchronous and asynchronous HARQ process hybrid mode.
14. The terminal of claim 13, wherein the processor is further configured to:
and receiving RRC signaling which is sent by the network side equipment and contains the configuration information for changing the HARQ mode by utilizing a transceiver.
15. The terminal of claim 14, wherein the processor is further configured to:
reading the configuration information for changing the HARQ mode from the MAC-CellGroupConfig of the RRC signaling.
16. The terminal of any of claims 13 to 15, wherein the processor is specifically configured to:
if the terminal has an HARQ process which is performing data transmission with the network side, the processor changes an HARQ mode used for performing data transmission with the network side equipment according to the received configuration information after the HARQ process is finished; or
And if the terminal does not have the HARQ process for data transmission with the network side, the processor changes the HARQ mode used for data transmission with the network side equipment according to the received configuration information.
17. An apparatus for information configuration, the apparatus comprising: at least one processing unit and at least one memory unit, wherein the memory unit stores program code which, when executed by the processing unit, causes the processing unit to perform the steps of the method of any of claims 1 to 4 or the steps of the method of any of claims 5 to 8.
18. A computer-readable medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 4 or the steps of the method according to any one of claims 5 to 8.
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